src/os_cpu/linux_arm/vm/atomic_linux_arm.hpp

rev 13266 : imported patch Atomic_refactoring
rev 13267 : [mq]: Atomic_polishing
rev 13268 : [mq]: Atomic_polishing_v2

*** 145,155 ****
  }
  
  template <>
  inline int64_t Atomic::specialized_cmpxchg<int64_t>(int64_t exchange_value, volatile int64_t* dest, int64_t compare_value, cmpxchg_memory_order order) {
  #ifdef AARCH64
!   jlong rv;
    int tmp;
    __asm__ volatile(
      "1:\n\t"
      " ldaxr %[rv], [%[dest]]\n\t"
      " cmp %[rv], %[cv]\n\t"
--- 145,155 ----
  }
  
  template <>
  inline int64_t Atomic::specialized_cmpxchg<int64_t>(int64_t exchange_value, volatile int64_t* dest, int64_t compare_value, cmpxchg_memory_order order) {
  #ifdef AARCH64
!   int64_t rv;
    int tmp;
    __asm__ volatile(
      "1:\n\t"
      " ldaxr %[rv], [%[dest]]\n\t"
      " cmp %[rv], %[cv]\n\t"
*** 171,181 ****
  }
  
  #ifdef AARCH64
  template <>
  inline int64_t Atomic::specialized_add<int64_t>(int64_t add_value, volatile int64_t* dest) {
!   intptr_t val;
    int tmp;
    __asm__ volatile(
      "1:\n\t"
      " ldaxr %[val], [%[dest]]\n\t"
      " add %[val], %[val], %[add_val]\n\t"
--- 171,181 ----
  }
  
  #ifdef AARCH64
  template <>
  inline int64_t Atomic::specialized_add<int64_t>(int64_t add_value, volatile int64_t* dest) {
!   int64_t val;
    int tmp;
    __asm__ volatile(
      "1:\n\t"
      " ldaxr %[val], [%[dest]]\n\t"
      " add %[val], %[val], %[add_val]\n\t"
*** 187,197 ****
    return val;
  }
  
  template <>
  inline int64_t Atomic::specialized_xchg<int64_t>(int64_t exchange_value, volatile int64_t* dest) {
!   intptr_t old_val;
    int tmp;
    __asm__ volatile(
      "1:\n\t"
      " ldaxr %[old_val], [%[dest]]\n\t"
      " stlxr %w[tmp], %[new_val], [%[dest]]\n\t"
--- 187,197 ----
    return val;
  }
  
  template <>
  inline int64_t Atomic::specialized_xchg<int64_t>(int64_t exchange_value, volatile int64_t* dest) {
!   int64_t old_val;
    int tmp;
    __asm__ volatile(
      "1:\n\t"
      " ldaxr %[old_val], [%[dest]]\n\t"
      " stlxr %w[tmp], %[new_val], [%[dest]]\n\t"